Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Synthesis and Their Physical Properties of Cationic Surfactants bearing Hydrophobic Chains of Aromatic Subtituents

방향족 치환기의 소수성 사슬을 갖는 양이온 계면활성제의 합성과 이의 물리화학적 특성 연구

  • 안범수 (대진대학교 자연과학대학 화학과)
  • Received : 2013.07.23
  • Accepted : 2013.09.26
  • Published : 2013.09.30
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Abstract

N,N,N-Trimethyl-10-nitrophenoxy decylammonium bromide (N10TAB) and N,N,N,N-Tetramethyl-bis-[10-nitrophenoxy decyl]-1,6-hexanediammonium dibromide (N10-6-10N), bearing aromatic nitrophenoxy group in the end of their hydrophobic chains have been prepared, and their properties in aqueous solutions have been studied by conductivity and H-NMR spectroscopy. Below the critical micelle concentration N10-6-10N form premicelle with two or three surfactant molecules. Beyond the critical micelle concentration two molecules have strong self-aggregation ability and form micelles of rather small size and with small aggregation numbers. H-NMR at different concentrations give the informations on the environmental changes of the surfactants on their micellization progress.

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